To cite package ‘contingencytables’ in publications use:

  Fagerland M (2024). _contingencytables: Statistical Analysis of
  Contingency Tables_. R package version 3.0.1,
  <https://github.com/ocbe-uio/contingencytables>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {contingencytables: Statistical Analysis of Contingency Tables},
    author = {Morten Wang Fagerland},
    year = {2024},
    note = {R package version 3.0.1},
    url = {https://github.com/ocbe-uio/contingencytables},
  }